On 10/30/09, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Jeff Davis <pgsql@xxxxxxxxxxx> writes: > > Yes, that is a strange case. When you can't tell if an interval is > > positive or negative, how do you define the absolute value? > > That was the point of my '1 day -25 hours' example. Whether you > consider that positive or negative seems mighty arbitrary. If I can add it to a timestamp and get a deterministic result, then we already have decided how to interpret the arbitrariness. Might as well be consistent then. -- marko -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general